internal override Restriction BuildRestriction() { return(Condition.CreateOneOrTwoTimesRestrictions((this.rangeHigh != null) ? new ExDateTime?(ExTimeZone.UtcTimeZone.ConvertDateTime(this.rangeHigh.Value)) : null, (this.rangeLow != null) ? new ExDateTime?(ExTimeZone.UtcTimeZone.ConvertDateTime(this.rangeLow.Value)) : null)); }